| 型号 | 主要尺寸(mm) | ||||
| d in | dmm | D in | Dmm | B in | |
| SR10-2RS | 5/8 | 15.875 | 1-3/8 | 34.925 | 0.3437 |
| SR12-2RS | 3/4 | 19.050 | 1-5/8 | 41.275 | 0.4374 |
| SR14-2RS | 7/8 | 22.225 | 1-7/8 | 47.625 | 0.5000 |
| SR16-2RS | 1 | 25.400 | 2 | 50.800 | 0.5000 |
| SR18-2RS | 1-1/8 | 28.575 | 2-1/8 | 53.975 | 0.5000 |
| SR20-2RS | 1-1/4 | 31.750 | 2-1/4 | 57.150 | 0.5000 |
| SR22-2RS | 1-3/8 | 34.925 | 2-1/2 | 63.500 | 0.5626 |
| SR24-2RS | 1-1/2 | 38.100 | 2-5/8 | 66.675 | 0.5626 |
| SR8-2RS | 1/2 | 12.700 | 1-1/8 | 28.575 | 0.3126 |